pipe or a check mark
correct, a knife blade standing vertical with two triangles on the side
correct, two triangles touching rips with the top one much larger
incorrect, a bowl made of triangles that widen at the top
correct, the front end of a speedboat on a stand with two triangle legs
wrong, a table with two triangle legs with a boat on top of it
wrong, a car with triangles for wheels driving west
wrong, a person with a diamond body balancing a small triangle on their bent knee
correct, a misshapen triangle with a horizontal one going west with a southward one

Outcome: successful
Speaker comments: I bungled the last clue and somehow it worked!